According to the CFTC Commitments of Traders report for the week ended December 31. NET LENGTH for crude oil futures gained +4 780 contracts to 554 857 for the week. Speculative long positions added +1 546 contracts while shorts dropped -3 234 contracts. For refined oil products, NET LENGTH for gasoline slipped -918 contracts to 107 813, while that for heating oil gained +3 382 contracts to 6 428. NET SHORT for natural gas futures rose +3 249 contracts to 202 167 contracts for the week.